Principal Investigator Charles Steven Plimpton, MD completed his undergraduate degree at Arizona State before heading to University of Arizona, where he completed his medical degree in 1988. In 1992, he completed his OBGYN residency in Phoenix, where he has run his private practice for over 30 years. In addition to his private practice, Dr. Plimpton … Read more
Sub Investigator Carlos Lopez, MD graduated from medical school in Montemorelos, Mexico in August 1992. He has been a pediatrician since 1999 after he graduated from Pediatric Training Program at Texas Tech University. Dr. Lopez opened his private practice in Phoenix in 2001. Dr. Lopez began working in research in 2017 with a focus on … Read more
Principal Investigator Mark Leibowitz, MD is an experienced and skilled Investigator with approximately 25 years of research experience. Dr. Leibowitz has participated in an estimated 500 studies from Phase I-IV across a variety of different indications. As part of his research portfolio, Dr. Leibowitz has conducted highly complex studies in healthy subjects and diverse patient … Read more
Principal Investigator John Nelson, PA-C is a skilled Physician Assistant with over 20 years of medical and clinical research experience in a variety of indications such as Pulmonary Medicine and Critical Care, Internal Medicine, Gastroenterology, Infectious Disease, Emergency Medicine, and Geriatrics. He obtained his Physician Assistant certification from the USC School of Medicine. John currently … Read more
Principal Investigator Stanley Hsia, MD is an Associate Professor of Medicine at Charles R. Drew University of Medicine and Science, and a Health Sciences Associate Clinical Professor with the David Geffen School of Medicine at UCLA. He is board certified in Internal Medicine as well as Endocrinology and Metabolism, and is a consultant endocrinologist for … Read more
Sub Investigator Tricia Leon, NP is a certified Nurse Practitioner and serves as a Sub-Investigator for Velocity in a variety of different therapeutic areas, including Metabolic and Cardiovascular Diseases and Women’s Health. Tricia graduated with a MSN from California State University Long Beach and received her Bachelor of Science in Nursing from University of Southern … Read more